#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <GL/freeglut.h>

#define SCREEN_WIDTH 640
#define SCREEN_HEIGHT 640
#define WINDOW_INIT_POSX 100
#define WINDOW_INIT_POSY 100

#define PI 3.141592653589
#define DELTA 0.01

#define TRIANGLE_LIST 1


/* mostra as coordenadas cartesianas */
void showCoords(double size);

